Resubmissions

09-04-2024 13:11

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09-04-2024 13:11

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09-04-2024 13:10

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09-04-2024 13:10

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10-07-2021 10:36

210710-89hyhpsaw6 9

Analysis

  • max time kernel
    600s
  • max time network
    606s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-04-2024 10:23

General

  • Target

    23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa.bin.exe

  • Size

    5.2MB

  • MD5

    0bff2eb7cf8fbbf17ff6594b09101e3b

  • SHA1

    bfa77a5afa5d45aa178edc14361ca2a5825c96f5

  • SHA256

    23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa

  • SHA512

    0861b861e3579ea7867515cea737f811b28bdc689fe24a8e89d1cd9c47d621eb76488a444406d604e0ac860d5f4a8ec73d931828d4281372ad7827af61e73f13

  • SSDEEP

    98304:3mcwWGj36qlPEo+AiJGIvKL10DGXPXbgkIjqNFHBAMSEFkU9WFn5fG2iD8ND3+P:2BP7lPEo+Phu3LjIjqjHBqEFPEF579Nr

Malware Config

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • BitRAT payload 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 7 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 8 IoCs
  • UPX packed file 34 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 5 IoCs
  • Looks up external IP address via web service 63 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: RenamesItself 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\23ac6a9a61ddc568b82e23d19873e1756be1450cd9989f698be3d18f083f24aa.bin.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:536
    • C:\Users\Admin\AppData\Local\e0c93a5e\tor\javaupdate.exe
      "C:\Users\Admin\AppData\Local\e0c93a5e\tor\javaupdate.exe" -f torrc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3380
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2348
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3616 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4104

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\e0c93a5e\tor\data\cached-microdesc-consensus.tmp
        Filesize

        2.7MB

        MD5

        ffcd5cbca9867eee8d74446c60ea6736

        SHA1

        1a14d9829b9ec3b18adbdca0f87df2fd34938992

        SHA256

        2089eed082364ed1e52980737b55c54c434f42fdf5048077b63e0dc5ee8e69c3

        SHA512

        e11ed7aab2389008bb02ed33cffaeeab18799acc1ebdecc9a84edc190a55dda41aa5543cc5d7a784e966cb3ab93973fe81a1b94db89e3600fff9017db083b6fb

      • C:\Users\Admin\AppData\Local\e0c93a5e\tor\data\cached-microdescs.new
        Filesize

        6.1MB

        MD5

        875acc5278bb80e67c831593333a18f6

        SHA1

        47beddeaa5d9ac44e025efa21c0326cf804206f6

        SHA256

        829fd11d8f7a2d0f228217b0fdbcbe0ed1bc8d0982cc80b3c787b1ab9ed0e46e

        SHA512

        25c9c81c24ec6c6165c1a60e3f12fd9ced50e537c80d9376a16d327d88769a9489aadc1a1c33cbfe830c5bb0a0ee76346f18c6479bb73456b4ab3a506bec6ae9

      • C:\Users\Admin\AppData\Local\e0c93a5e\tor\javaupdate.exe
        Filesize

        973KB

        MD5

        5cfe61ff895c7daa889708665ef05d7b

        SHA1

        5e58efe30406243fbd58d4968b0492ddeef145f2

        SHA256

        f9c1d18b50ce7484bf212cb61a9035602cfb90ebdfe66a077b9f6df73196a9f5

        SHA512

        43b6f10391a863a21f70e05cee41900729c7543750e118ff5d74c0cac3d1383f10bcb73eade2a28b555a393cada4795e204246129b01ad9177d1167827dd68da

      • C:\Users\Admin\AppData\Local\e0c93a5e\tor\libcrypto-1_1.dll
        Filesize

        1.7MB

        MD5

        2384a02c4a1f7ec481adde3a020607d3

        SHA1

        7e848d35a10bf9296c8fa41956a3daa777f86365

        SHA256

        c8db0ff0f7047ed91b057005e86ad3a23eae616253313aa047c560d9eb398369

        SHA512

        1ac74dd2d863acd7415ef8b9490a5342865462fbabdad0645da22424b0d56f5e9c389a3d7c41386f2414d6c4715c79a6ddecb6e6cff29e98319e1fd1060f4503

      • C:\Users\Admin\AppData\Local\e0c93a5e\tor\libevent-2-1-6.dll
        Filesize

        366KB

        MD5

        099983c13bade9554a3c17484e5481f1

        SHA1

        a84e69ad9722f999252d59d0ed9a99901a60e564

        SHA256

        b65f9aa0c7912af64bd9b05e9322e994339a11b0c8907e6a6166d7b814bda838

        SHA512

        89f1a963de77873296395662d4150e3eff7a2d297fb9ec54ec06aa2e40d41e5f4fc4611e9bc34126d760c9134f2907fea3bebdf2fbbd7eaddad99f8e4be1f5e2

      • C:\Users\Admin\AppData\Local\e0c93a5e\tor\libgcc_s_sjlj-1.dll
        Filesize

        286KB

        MD5

        b0d98f7157d972190fe0759d4368d320

        SHA1

        5715a533621a2b642aad9616e603c6907d80efc4

        SHA256

        2922193133dabab5b82088d4e87484e2fac75e9e0c765dacaf22eb5f4f18b0c5

        SHA512

        41ce56c428158533bf8b8ffe0a71875b5a3abc549b88d7d3e69acc6080653abea344d6d66fff39c04bf019fcaa295768d620377d85a933ddaf17f3d90df29496

      • C:\Users\Admin\AppData\Local\e0c93a5e\tor\libssl-1_1.dll
        Filesize

        439KB

        MD5

        c88826ac4bb879622e43ead5bdb95aeb

        SHA1

        87d29853649a86f0463bfd9ad887b85eedc21723

        SHA256

        c4d898b1a4285a45153af9ed88d79aa2a073dcb7225961b6b276b532b4d18b6f

        SHA512

        f733041ef35b9b8058fbcf98faa0d1fea5c0858fea941ecebbe9f083cd73e3e66323afffd8d734097fcdd5e6e59db4d94f51fca5874edbcd2a382d9ba6cd97b3

      • C:\Users\Admin\AppData\Local\e0c93a5e\tor\libssp-0.dll
        Filesize

        88KB

        MD5

        2c916456f503075f746c6ea649cf9539

        SHA1

        fa1afc1f3d728c89b2e90e14ca7d88b599580a9d

        SHA256

        cbb5236d923d4f4baf2f0d2797c72a2cbae42ef7ac0acce786daf5fdc5b456e6

        SHA512

        1c1995e1aa7c33c597c64122395275861d9219e46d45277d4f1768a2e06227b353d5d77d6b7cb655082dc6fb9736ad6f7cfcc0c90e02776e27d50857e792e3fd

      • C:\Users\Admin\AppData\Local\e0c93a5e\tor\libwinpthread-1.dll
        Filesize

        188KB

        MD5

        d407cc6d79a08039a6f4b50539e560b8

        SHA1

        21171adbc176dc19aaa5e595cd2cd4bd1dfd0c71

        SHA256

        92cfd0277c8781a15a0f17b7aee6cff69631b9606a001101631f04b3381efc4e

        SHA512

        378a10fed915591445d97c6d04e82d28008d8ea65e0e40c142b8ee59867035d561d4e103495c8f0d9c19b51597706ce0b450c25516aa0f1744579ffcd097ae0c

      • C:\Users\Admin\AppData\Local\e0c93a5e\tor\torrc
        Filesize

        139B

        MD5

        b5bb1313df0efb6309cbb9e97b992636

        SHA1

        ade9cd0aaf21358b4018f1c7350910442c252bae

        SHA256

        58b5958bc1a62b6a4e48d5ecf9773a87ff8c23d8736d7695b13ba158a57e9bae

        SHA512

        e8fea7789af8ed5173461c3e40cf4af0990c0aa042bfec51b87084b09e3d6ba0130c27b6c959dc505ff3fea72b4593d12c06fbb5c453581efcdc77693d40e292

      • C:\Users\Admin\AppData\Local\e0c93a5e\tor\zlib1.dll
        Filesize

        52KB

        MD5

        add33041af894b67fe34e1dc819b7eb6

        SHA1

        6db46eb021855a587c95479422adcc774a272eeb

        SHA256

        8688bd7ca55dcc0c23c429762776a0a43fe5b0332dfd5b79ef74e55d4bbc1183

        SHA512

        bafc441198d03f0e7fe804bab89283c389d38884d0f87d81b11950a9b79fcbf7b32be4bb16f4fcd9179b66f865c563c172a46b4514a6087ef0af64425a4b2cfa

      • memory/536-45-0x00000000731D0000-0x0000000073209000-memory.dmp
        Filesize

        228KB

      • memory/536-0-0x0000000000400000-0x0000000000D54000-memory.dmp
        Filesize

        9.3MB

      • memory/536-260-0x00000000731D0000-0x0000000073209000-memory.dmp
        Filesize

        228KB

      • memory/536-245-0x0000000074640000-0x0000000074679000-memory.dmp
        Filesize

        228KB

      • memory/536-133-0x0000000072800000-0x0000000072839000-memory.dmp
        Filesize

        228KB

      • memory/536-115-0x0000000074200000-0x0000000074239000-memory.dmp
        Filesize

        228KB

      • memory/536-304-0x0000000074200000-0x0000000074239000-memory.dmp
        Filesize

        228KB

      • memory/536-1-0x0000000074640000-0x0000000074679000-memory.dmp
        Filesize

        228KB

      • memory/536-54-0x0000000000400000-0x0000000000D54000-memory.dmp
        Filesize

        9.3MB

      • memory/3380-32-0x00000000739A0000-0x00000000739E9000-memory.dmp
        Filesize

        292KB

      • memory/3380-40-0x00000000737D0000-0x0000000073858000-memory.dmp
        Filesize

        544KB

      • memory/3380-47-0x0000000073AC0000-0x0000000073B88000-memory.dmp
        Filesize

        800KB

      • memory/3380-48-0x00000000739F0000-0x0000000073ABE000-memory.dmp
        Filesize

        824KB

      • memory/3380-49-0x00000000739A0000-0x00000000739E9000-memory.dmp
        Filesize

        292KB

      • memory/3380-50-0x0000000073970000-0x0000000073994000-memory.dmp
        Filesize

        144KB

      • memory/3380-52-0x0000000073860000-0x000000007396A000-memory.dmp
        Filesize

        1.0MB

      • memory/3380-53-0x0000000073500000-0x00000000737CF000-memory.dmp
        Filesize

        2.8MB

      • memory/3380-42-0x0000000073500000-0x00000000737CF000-memory.dmp
        Filesize

        2.8MB

      • memory/3380-55-0x0000000000A90000-0x0000000000E94000-memory.dmp
        Filesize

        4.0MB

      • memory/3380-56-0x0000000000A90000-0x0000000000E94000-memory.dmp
        Filesize

        4.0MB

      • memory/3380-46-0x0000000000A90000-0x0000000000E94000-memory.dmp
        Filesize

        4.0MB

      • memory/3380-74-0x0000000000A90000-0x0000000000E94000-memory.dmp
        Filesize

        4.0MB

      • memory/3380-39-0x0000000073AC0000-0x0000000073B88000-memory.dmp
        Filesize

        800KB

      • memory/3380-96-0x0000000000A90000-0x0000000000E94000-memory.dmp
        Filesize

        4.0MB

      • memory/3380-107-0x0000000000A90000-0x0000000000E94000-memory.dmp
        Filesize

        4.0MB

      • memory/3380-38-0x0000000001640000-0x000000000190F000-memory.dmp
        Filesize

        2.8MB

      • memory/3380-119-0x0000000000A90000-0x0000000000E94000-memory.dmp
        Filesize

        4.0MB

      • memory/3380-37-0x0000000073860000-0x000000007396A000-memory.dmp
        Filesize

        1.0MB

      • memory/3380-134-0x0000000000A90000-0x0000000000E94000-memory.dmp
        Filesize

        4.0MB

      • memory/3380-142-0x0000000000A90000-0x0000000000E94000-memory.dmp
        Filesize

        4.0MB

      • memory/3380-30-0x00000000739F0000-0x0000000073ABE000-memory.dmp
        Filesize

        824KB

      • memory/3380-34-0x0000000073970000-0x0000000073994000-memory.dmp
        Filesize

        144KB

      • memory/3380-28-0x0000000000A90000-0x0000000000E94000-memory.dmp
        Filesize

        4.0MB